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NEW YORK (AP) -- At an exclusive and intimate New York Fashion Week party, Katy Perry dedicated a song not to fabulous designers or picture-perfect models, but to their assistants.

Perry closed her 30-minute set at the Plaza Hotel on Wednesday with her inspirational No. 1 hit, "Firework."

She told the audience she wanted them to remember it "when you're going about your day and you rip your pants ... I'm talking about all the assistants here."

Perry performed at a party by Harper's Bazaar paying tribute to women in fashion. Honorees included Oprah Winfrey, Mariah Carey, Willow Smith, Jessica Chastain, Dakota Johnson and Perry.

She kicked off her set with "Roar" and performed popular hits like "I Kissed a Girl," "Teenage Dream" and "Dark Horse."